47838386442 has 32 divisors (see below), whose sum is σ = 119285328384. Its totient is φ = 12425554800.

The previous prime is 47838386437. The next prime is 47838386483. The reversal of 47838386442 is 24468383874.

It is a super-2 number, since 2×47838386442² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51772684 + ... + 51773607.

It is an arithmetic number, because the mean of its divisors is an integer number (3727666512).

Almost surely, 2^47838386442 is an apocalyptic number.

47838386442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

47838386442 is an abundant number, since it is smaller than the sum of its proper divisors (71446941942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47838386442 is a wasteful number, since it uses less digits than its factorization.

47838386442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103546314.

The product of its digits is 24772608, while the sum is 57.

The spelling of 47838386442 in words is "forty-seven billion, eight hundred thirty-eight million, three hundred eighty-six thousand, four hundred forty-two".